Description

A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to insufficient error checking when processing SAML messages. An attacker could exploit this vulnerability by sending crafted SAML messages to the SAML service. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

INFO

Published Date :

2026-03-04T17:19:22.576Z

Last Modified :

2026-03-05T15:33:58.629Z

Source :

cisco
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20101 vulnerability.

Vendors Products
Cisco
  • Adaptive Security Appliance Software
  • Firepower Threat Defense Software
  • Secure Firewall Threat Defense
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20101.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-m9sx6MbC cve-icon cve-icon
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CVSS Vulnerability Scoring System

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